{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["machanical property", "engineering feature", "manufacturing process", "application", "biomedical"], "input": "Ni-Ti shape memory alloys ( SMAs ) are the most promising elastocaloric materials but they are difficult to process by conventional methods due to their poor manufacturability ."}
{"machanical property": [], "engineering feature": [], "manufacturing process": [], "application": [], "biomedical": []}